GARDAI on the Border have been put on alert after five people were taken to hospital when toxic gas used to kill rodents escaped from a ship docked in Co Down.
Cargo on the vessel at Warrenpoint had become wet and unstable and a cordon has been established.
The gas is aluminium phosphide, a pesticide used to kill small mammals such as moles and rodents.
Gardai have been informed of the potential of the chemical compound to drift into the Republic.
A PSNI spokesman said: "It is believed that there are five casualties suffering from